Ejemplo n.º 1
0
        //update the camera movement per frame after it has confirmed the layer's previous position
        public void Update(GameTime gameTime)
        {
            float elapsedSeconds = (float)gameTime.ElapsedGameTime.TotalSeconds;
            float previousPosX   = position.X;                      //previous X position of the layer

            position.X -= ScrollingSpeed * elapsedSeconds;          //set the new position of the layer

            for (int i = 0; i < level.backgroundLayers.Length; i++) //for every item in the backgroundLayer array in Level
            {
                //create an instance of it
                BackgroundLayer layer = level.backgroundLayers[i];
                //access the ScrollSpeed property of BackgroundLayer and set OffsetX property
                level.backgroundLayers[i].OffsetX -= layer.Texture.Width;

                if (level.backgroundLayers[i].OffsetX < layer.Texture.Width)
                {
                    level.backgroundLayers[i].OffsetX = 0;
                }
            }
        }
Ejemplo n.º 2
0
        //Finally, a level instance
        public Level(Main game)
        {
            //Pass the Main in
            this.game = game;

            //create an instance of the player
            player = new Player(game);

            //Set the backgroun up with the array and load in the content
            backgroundLayers    = new BackgroundLayer[4];
            backgroundLayers[0] = new BackgroundLayer() // call that autogenerated empty constructor in BackgroundLayer
            {
                Texture        = game.Content.Load <Texture2D>("_background/Layer1"),
                ScrollingSpeed = 0.25f,
                OffsetX        = 300
            };
            backgroundLayers[1] = new BackgroundLayer() // call that autogenerated empty constructor in BackgroundLayer
            {
                Texture        = game.Content.Load <Texture2D>("_background/Layer2"),
                ScrollingSpeed = 0.5f,
                OffsetX        = 700
            };
            backgroundLayers[2] = new BackgroundLayer() // call that autogenerated empty constructor in BackgroundLayer
            {
                Texture        = game.Content.Load <Texture2D>("_background/Layer3"),
                ScrollingSpeed = 0.75f,
                OffsetX        = 800
            };
            backgroundLayers[3] = new BackgroundLayer() // call that autogenerated empty constructor in BackgroundLayer
            {
                Texture        = game.Content.Load <Texture2D>("_background/Layer9"),
                ScrollingSpeed = 1f,
                OffsetX        = 900
            };

            //Create an instance of Camera
            Camera = new Camera(this);
        }